This is a list of the endemic flora of Puerto Rico. This list is sorted in alphabetical order by plant family and binomial names.Endemic plants of Puerto Rico, World Checklist of Vascular Plants (WCVP) checklist builder. Royal Botanic Gardens, Kew. Retrieved 7 February 2025.
Acanthaceae Dicliptera krugii Justicia culubritae (Culebra I.) Justicia martinsoniana
Amaryllidaceae Zephyranthes proctorii
Apocynaceae Matelea sintenisii Matelea variifolia Metastelma monense Pinochia corymbosa subsp. portoricensis Plumeria krugii Ruehssia elliptica Ruehssia woodburyana (Puerto Rico incl. Mona I.)
Aquifoliaceae Ilex cookii – Cook's holly
Araceae Xanthosoma acevedoi
Araliaceae Dendropanax laurifolius Frodinia gleasonii
Asparagaceae Agave minor – (Cabo Rojo)
Aspleniaceae Asplenium corderoanum Asplenium ocoense Thelypteris abdita Thelypteris brittoniae Thelypteris hildae Thelypteris inabonensis Thelypteris namaphila Thelypteris rheophyta Thelypteris verecunda Thelypteris yaucoensis
Asteraceae Ageratina resiniflua Chromolaena borinquensis Chromolaena geranifolia Chromolaena oteroi Critonia portoricensis Koanophyllon dolicholepis Koanophyllon droserolepis Koanophyllon polyodon Lepidaploa borinquensis Lepidaploa proctorii (synonym Vernonia proctorii ) (known only from the summit of Cerro Mariquita in the Sierra Bermeja). Mikania fragilis Mikania odoratissima Mikania pachyphylla Mikania porosa Mikania pachyphylla Mikania stevensiana Piptocarpha tetrantha Piptocoma acevedoi
Begoniaceae Begonia decandra
Bignoniaceae Crescentia portoricensis – Higuero de sierra Tabebuia haemantha Tabebuia karsoana Tabebuia rigida Tabebuia schumanniana
Boraginaceae Cordia borinquensis – Luquillo Mountain manjack Varronia bellonis Varronia wagnerorum
Bromeliaceae Tillandsia borinquensis Werauhia proctorii Wittmackia portoricensis
Buxaceae Buxus portoricensis
Cactaceae
Harrisia portoricensis – Puerto Rico applecactus Leptocereus grantianus (Culebra Islands) Melocactus praerupticola subsp. pygmaeus
Campanulaceae Lobelia portoricensis Lobelia vivaldii (Mona I.)
Canellaceae Pleodendron macranthum – Chupacallos
Celastraceae Maytenus elongata Maytenus ponceana
Clusiaceae Clusia gundlachii Garcinia hessii Garcinia portoricensis
Cyatheaceae Alsophila aminta (synonym Cyathea dryopteroides ) Alsophila bryophila Alsophila portoricensis Cyathea borinquena Cyathea ruttenbergiae
Cyperaceae Cyperus pulguerensis Cyperus urbani Rhynchospora depressirostris Scleria canescens
Dioscoreaceae Dioscorea cordata var. cymulifera
Ebenaceae Diospyros sintenisii
Ericaceae Gonocalyx concolor Gonocalyx portoricensis Lyonia truncata var. proctorii (Known only from the summit of Cerro Mariquita in the Sierra Bermeja).
Euphorbiaceae Acalypha berteroana Acalypha bisetosa Alchorneopsis portoricensis Croton glandulosus var. glabratus Croton pavonianus Croton poecilanthus Euphorbia orbifolia Sapium laurocerasus
Fabaceae Caesalpinia monensis (Mona Is.) Calliandra haematomma var. locoensis (southwestern Puerto Rico) Chamaecrista glandulosa var. mirabilis Dalea carthagenensis var. portoricana Guilandina culebrae (Culebra Islands) Guilandina portoricensis Mimosa quadrivalvis var. urbaniana Rhodopis volubilis Senna pendula var. stahlii
Gentianaceae Lisianthius laxiflorus
Gesneriaceae Columnea ambigua Gesneria citrina Gesneria cuneifolia Gesneria pauciflora Gesneria pedunculosa Gesneria sintenisii
Lamiaceae Cornutia obovata
Lauraceae Ocotea portoricensis
Loranthaceae Dendropemon bicolor Dendropemon sintenisii
Magnoliaceae Magnolia portoricensis Magnolia splendens
Malpighiaceae Byrsonima wadsworthii Heteropteris wydleriana
Malvaceae Thespesia grandiflora – Flor de maga Puerto Rico's national flower.
Marcgraviaceae Marcgravia sintenisii Bejuco de palma, Bejuco de lira, Bejuco de rana, Lira del Yunque, Pegapalma
Melastomataceae Henriettea membranifolia The records for this species are questionable Henriettea squamulosa Miconia biflora Miconia foveolata Miconia krugiana Miconia pachyphylla Miconia pycnoneura Miconia sintenisii Miconia urbanii Mouriri helleri var. helleri Pleroma diffusum
Meliaceae Trichilia triacantha – A federally listed endangered species.
Myricaceae Myrica holdridgeana
Myrtaceae Eugenia bellonis Eugenia boqueronensis Eugenia borinquensis Eugenia eggersii Eugenia fajardensis Eugenia haematocarpa Eugenia padronii Eugenia serrasuela Eugenia stahlii Eugenia stewardsonii Eugenia woodburyana Myrcia acevedoi Myrcia estremerae Myrcia krugii Myrcia luquillensis – Luquillo forest lidflower Myrcia margarettae Myrcia martorellii Myrcia peduncularis Myrcia portoricensis Myrcia sintenisiana Myrcia tresantha Myrciaria borinquena Myrciaria myrtifolia Pisonia horneae Pisonia roqueae Pisonia taina Pimenta paganii (synonym Myrcia paganii Krug & Urb.) Psidium sintenisii – Hoja Menuda (synonym of Psidium oligospermum , non-endemic)
Oleaceae Chionanthus holdridgii
Orchidaceae Brachionidium ciliolatum Epidendrum ackermanii Epidendrum boricuomutelianum Eurystyles luisortizii Lepanthes caritensis (eastern Puerto Rico) Lepanthes dodiana (eastern Puerto Rico) Lepanthes eltoroensis – Luquillo Mountain babyboot orchidA federally listed endangered species. (Luquillo Mountains) Lepanthes rubripetala (Cayey Mts, Luquillo Mts.) Lepanthes rupestris Lepanthes selenitepala Lepanthes selenitepala subsp. ackermanii Lepanthes selenitepala subsp. selenitepala (Luquillo Mts.) Lepanthes stimsonii Lepanthes stimsonii Luer, C. A. 2002. Selbyana 23: 22. Formerly known as Lepanthes veleziana var. retusicolumna Lepanthes veleziana Lepanthes woodburyana Psychilis kraenzlinii Psychilis krugii Formerly Encylcis krugii and Epidendrum krugii Psychilis monensis Lioger & Martorell, 2000, Flora of Puerfto Rico and adjacent islands: a systematic synopsis, 2nd ed., Edit. Univ. Puerto Rico, San Juan, Puerto Rico Psychilis × raganii
Passifloraceae
Passiflora tulae
Pentaphylacaceae Ternstroemia heptasepala Ternstroemia luquillensis Ternstroemia stahlii Ternstroemia subsessilis
Phyllanthaceae Phyllanthus cuneifolius
Piperaceae Peperomia megalopoda Peperomia robustior Peperomia wheeleri Peperomia yabucoana Piper abajoense
Poaceae Aristida chaseae Known only from two sites in southwestern Puerto Rico Tarigidia axelrodii
Polygalaceae Phlebotaenia cowellii
Polygonaceae Coccoloba sintenisii
Polypodiaceae Ctenitis hirta var. portoricana Elaphoglossum serpens Grammitis hanekeana Grammitis liogieri Polystichum calderonense Tectaria estremerana
Portulacaceae Portulaca caulerpoides
Primulaceae Ardisia glauciflora Ardisia luquillensis Bonellia pauciflora Cybianthus sintenisii Wallenia yunquensis
Pteridaceae Adiantum vivesii
Rhamnaceae Auerodendron pauciflorum Reynosia krugii Reynosia vivesiana
Rubiaceae Diodia mitens Geophila cordata Machaonia portoricensis Mitracarpus maxwelliae Known only from a single site at the Guánica Commonwealth Forest. Mitracarpus portoricensis Phialanthus grandifolius Psychotria maricaensis Randia portoricensis Román Guzmán, Javier A. 2006. A study of Randia portoricensis (Urb.) Britton & Standley [Rubiaceae]: A rare species. MS Thesis, University of Puerto Rico, Mayagüez Rondeletia inermis Rondeletia portoricensis Scolosanthus portoricensis Stenostomum obtusifolium (syn. Antirhea obtusifolia ) Stenostomum portoricense (syn. Antirhea portoricensis) Stenostomum sintenisii (syn. Antirhea sintenisii )
Rutaceae Ravenia urbani
Sabiaceae Meliosma obtusifolia
Salicaceae Banara portoricensis Banara vanderbiltii Xylosma pachyphylla – Spiny logwood Xylosma schwaneckeana
Santalaceae Dendrophthora bermejae
Sapindaceae Thouinia striata
Sapotaceae Micropholis garciniifolia
Schizaeaceae Anemia portoricensis
Schoepfiaceae Schoepfia arenaria
Selaginellaceae Selaginella krugii Selaginella laxifolia
Simaroubaceae
Simarouba tulae
Solanaceae Brunfelsia densifolia Brunfelsia lactea (eastern Puerto Rico) Brunfelsia portoricensis (Sierra de Luquilla) Goetzea elegans Solanum ensifolium – Erubia Solanum woodburyi
Styracaceae Styrax portoricensis – Palo de Jazmin
Symplocaceae Symplocos lanata Symplocos latifolia Symplocos micrantha (eastern Puerto Rico)
Thymelaeaceae Daphnopsis helleriana Daphnopsis philippiana
Urticaceae Pilea krugii Pilea leptophylla Pilea multicaulis Pilea yunquensis Urera chlorocarpa
Verbenaceae Priva portoricensis Stachytarpheta × trimenii (S. mutabilis × S. urticifolia)
Zamiaceae Zamia portoricensis
See also Fauna of Puerto Rico List of endemic fauna of Puerto Rico Grasses of Puerto Rico San Juan Botanical Garden
Notes
References
Further reading
Three endemic Puerto Rican ferns
External links Departamento de Recursos Naturales